Tsarin foda na foda na iya samar da nau'ikan gears da yawa: spur gears da yawa, dafaffen gears, madaidaiciya bevel geears da kuma hypeiid gears da kuma hypeiid gears da hypeid gears.Masu amfani yawanci suna zaɓar ƙarfe na foda don kera gears saboda fa'idodin fasaha da yawa:
•Samar da bayanin martabar haƙori na gaskiya da cikakken radius na fillet.
• Sauƙi don shigar da ramukan rage nauyi, don haka rage nauyin sassa.
• Saboda kayan yana da ƙuri'a, yana taimakawa wajen yin shuru da tsarin gudu (sauƙaƙe zai rage sauti) kuma ya sanya shi mai mai da kansa (ta hanyar nutsar da mai).
• Ana iya haɗa kayan aikin tare da wasu abubuwa na inji (kamar kyamarori, rattchets, tuƙi ko wasu gears) zuwa yanki ɗaya.
• Yana yiwuwa a ƙera kayan aiki tare da radius a kusurwar makaho, don haka kawar da sakin da aka yanke da ake bukata don yanke kayan aiki da kuma samar da ƙarin ƙarfin radius.
Kusan a'a ko babu mashin ɗin da ake buƙata, kuma ƙimar amfani da kayan yana kusa da 100%.
• Za a iya samar da Gears tare da ramukan da aka ɗora su, ko dai a matsayin gajeriyar trunnions ko ta hanyar haɗa mashinan ƙarfe na inji zuwa gears yayin aikin sintiri.